Static-guided surgery more accurate compared to freehand surgery for immediate implant placement in fresh extraction sockets
Static-guided surgery more accurate and precise compared with freehand surgery for immediate implant placement in fresh extraction sockets suggests a new study published in the Journal of Dentistry.
This randomized controlled trial (RCT) aimed to compare the accuracy of immediate implant placement with freehand and static guided surgery.
An RCT was conducted on 61 subjects who received a total of 80 dental implants. The enrolled patients were randomly allocated to two groups: freehand surgery (control group, n = 40 implants) and static guided surgery with R2Gate® (Megagen, Gyeongbuk, South Korea, test group, n = 40 implants). Crestal and apical deviations in both mesiodistal and buccolingual dimensions, as well as depth and angular deviations, were calculated by comparing the three-dimensional (3D) position of the implant in the planning software with the final implant position, revealed by an intraoral scan of the fixture after placement. The Mann–Whitney test was used for comparative assessment.
Results
In the freehand group (control), crestal deviations of 1.13 ± 0.89 mm and 1.00 ± 0.76 mm were found in the mesiodistal and buccolingual directions, respectively, versus 0.34 ± 0.26 mm (p<0.001) and 0.37 ± 0.24 mm (p = 0.03) in the static guided surgery group (test). Apical deviation was also higher in the freehand group (control) than in the static guided surgery group (test) in the mesiodistal (4.04 ± 1.90 mm vs. 0.97 ± 0.55 mm, p = 0.04) and buccolingual directions (3.46 ± 1.82 mm vs. 0.94 ± 0.67 mm, p = 0.02). Freehand surgery had greater angular deviation (6.09° ± 3.23) compared to guided surgery (0.83° ± 0.53, p = 0.02). However, depth deviation was similar in the freehand surgery group (2.24 ± 1.58 mm) and static guided surgery group (0.66 ± 0.43, p = 0.09).
Immediate implant placement with static guided surgery demonstrated better accuracy than freehand surgery.
Statement of clinical relevance
Guided implant surgery showed fewer deviations compared to freehand surgery in fresh extraction sockets; therefore, the use of static guides should be given preference over the freehand modality.
Reference:
Segin Chandran K R, Manoj Goyal, Neeti Mittal, Jensy Sara George,
Accuracy of freehand versus guided immediate implant placement: A randomized controlled trial, Journal of Dentistry, Volume 136, 2023, 104620, ISSN 0300-5712, https://doi.org/10.1016/j.jdent.2023.104620.
(https://www.sciencedirect.com/science/article/pii/S0300571223002063)
Keywords:
Immediate implant placement; Post-extraction socket; Guided surgery; Freehand surgery; Accuracy, Journal of Dentistry
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